Clifford E. Trafzer, Distinguished Professor of History at the University of California, Riverside, is the author or editor of numerous books, including Death Stalks the Yakama: Epidemiological Transitions and Mortality on the Yakama Idian Reservation, 1888–1964 and A Chemehuevi Song: The Resilience of a Southern Paiute Tribe. The Western History Association has conferred on Trafzer the American Indian History Lifetime Achievement Award.